baber/WOPTO huggingface dataset:
Patent KR-20010023658-A (KR)
Title: 컴퓨터 네트웍을 위한 데이타 산포 시스템
IPC: G06F21/10
Filed: 1998-09-04
Abstract: 광역 통신망(30)에 접속 가능한 로컬 컴퓨터 시스템들(21, 22, 23)의 사용자들에게 데이터를 산포하는 시스템은, 사용자들에게로의 배포를 위해 데이터의 정적인 제1부분들을 포함하는 저장 매체(40)를 공급하는 공급 수단(16); 정적인 제1부분들과 연관된 데이터의 동적인 제2부분들을 관리하는 데이터 및 대량 자료 저장 수단(15)을 처리하는 프로세서(13)를 포함하는 원격 사이트(10)를 포함하고, 상기 각 로컬 컴퓨터 시스템은 광역 통신망(30)을 통해 원격 사이트로 접속가능(31)하고 원격 사이트로부터 제2데이터 부분들을 억세스하는 통신 수단(26) 및 제1데이터 부분들을 포함하는 배포된 저장 매체(41)를 읽는 드라이브 수단(24)을 포함하며; 이에 따라 드라이브 수단의 어드레스에 대한 식별자는 원격 사이트(10)로 통신되고, 사용자에 의한 제2데이터 부분들로의 억세스는 그 사용자에게 즉각적으로 제공되기 위해 로컬 컴퓨터 시스템(21)에서 관련 제1데이터 부분과 제2데이터 부분의 통합을 도모한다.
Patent KR-20010024104-A (KR)
IPC: F01N3/20
Filed: 1998-09-18
Abstract: A static mixer in the exhaust emission control system of an excess-air-operated combustion engine is formed of an expanded grid with a plurality of openings formed between crossbars. Using an expanded grid achieves both good mixing of the exhaust gas with a reducing agent in a short mixing path and properly aligns the exhaust flow.
Patent KR-20010030947-A (KR)
Title: 무선통신 시스템에서의 전력제어 명령을 생성하는 방법 및시스템
IPC: H04L1/00
Filed: 1998-10-06
Abstract: 전송된 트래픽 채널(58)의 전력을 제어하는 전력제어 명령을 사용하는 무선 통신 시스템에서, 송신기(64)로부터의 신호는 채널을 통해서 수신된다(104).  채널 품질은 송신기로부터의 신호를 사용하여 계측된다(70, 108).  채널 품질 임계값(82)을 초과하는 계측된 채널 품질(70)에 응답하여(80, 110), 트래픽 채널 전력 감소 명령이 송신기로 송신되고(112), 채널 품질 임계값은 증가된다(114).  계측된 채널 품질(70)을 초과하는 채널 품질 임계값(82)에 응답하여, 트래픽 채널 전력 증가 명령이 송신기로 송신되고(116), 채널 품질 임계값은 감소된다(118).  트래픽 신호 품질이 계측되고(72) 트래픽 신호 품질 임계값(86) 비교된다(88).  비교결과(132)는 채널 품질 임계값(82)을 조절하기 위해서 사용된다(134).  트래픽 신호 품질 임계값은 프레임 에러가 검출되는지 여부에 응답하여(74, 124) 조절될 수 있다(90, 126, 128).
Patent KR-20010031321-A (KR)
Title: 이동 전기통신시스템에서 랜덤 액세스
IPC: H04W28/06
Filed: 1998-10-23
Abstract: 규정된 기호패턴(206, 210)을 포함하는 제1패킷과 함께 랜덤 액세스 요청의 데이터부(212, 216, 220)를 포함하는 제2패킷을 이동국(116)이 전송하도록 하는, 새로운 포맷이 랜덤 액세스 이동통신시스템(100) 내 업링크 공통 물리채널에 제공된다. 따라서, 기타 장점 이외에도, 요청의 데이터부 동안에 채널추정을 위한 부가적인 에너지를 제공하는 한편, 관련된 총 시그날링의 량을 감소시킴으로써, 랜덤 액세스 요청의 기호부는 파일롯으로서 기능할 수 있다. 이 부가적인 에너지는, 급변하는 무선채널 환경에서 데이터부의 고품질 일관성 검출을 보장하는데 유용하다.
Patent KR-20010033067-A (KR)
Title: 통합 재료 관리 모듈
IPC: H01L21/677
Filed: 1998-12-10
Abstract: 물품(articles) 가공용 시스템에서 사용하기 위한 모듈에서, 상기 시스템은 물품 가공용의 복수의 기계장비, 상기 기계장비로 가공될 상기 물품을 한 기계장비에서 다른 기계장비로 운반하는 포드(pod), 상기 기계장비들의 동작을 제어하기 위해 이들 기계장비들에 연관된 호스트 처리 제어기, 상기 기계장비에 접속된 것으로 상기 포드를 수용하고, 상기 포드를 개방시켜 상기 물품을 상기 포드 내로부터 가공용 상기 기계장비 상의 위치로 이송시키는 로봇, 및 특정 포드 및 내부에 운반된 물품을 식별하는 것으로 상기 포드에 탑재된 식별수단을 포함한다.  상기 모듈은 상기 식별수단과 상기 호스트 제어기와 상기 로봇간 단일 선 접속을 포함한다.
Patent KR-20010042059-A (KR)
Title: 촉매 컨버터 바디
IPC: B01D53/86
Filed: 1999-03-05
Abstract: 먼지를 함유한 폐가스 내에서 작동되는 촉매 컨버터가 유입된 가스에 포함된 개별 입자(4,5)에 의해 막힐 수 있다.  촉매 컨버터 바디(1)는 다수의 제 1 긴 채널(2)과 또한 제 2 긴 채널(3)을 포함하며, 상기 제 2 긴 채널(3)은 상기 제 1 긴 채널(2)보다 더 큰 채널 횡단면을 갖는다.  이것에 의해, 본 발명은 촉매 컨버터의 체적 공간 당 높은 비표면의 장점을 유지하면서, 동시에 개별 입자(4,5)가 투과되는 것을 가능하게 한다.
Patent KR-20010042353-A (KR)
Title: 광학 편광계 지연 라인에 기초한 저 잡음 광학 저장시스템
IPC: G11B11/105
Filed: 1999-03-26
Abstract: 본 발명은 다중모드 다이오드 레이저 및 편광 유지 광섬유를 이용하는 동안, 자기 광학 저장 시스템에서의 높은 신호 대 잡음비를 달성하기 위한 시스템 및 방법에 관한 것이다.  특히, 이 시스템에서 입력 주 광신호는 2개의 직교 편광 상태로 분할되고, 2개의 직교 편광 상태는 재결합 전에 상이한 거리에 걸쳐서 전송된다.  고주파에서 레이저를 펄스 온 및 오프하고 레이저의 변조 주파수에 의존하는 편광 상태에 대한 적절한 경로차를 선택함으로써, 이 시스템에서 중요한 광학 성분에서 포텐셜 에러로부터 발생하는 제 1 차 스펙트럼 편광 잡음이 제거된다.
Patent KR-20010043388-A (KR)
Title: 블로킹된 폴리하이드록시스티렌 수지 정제 용액의 제조방법
IPC: G03F7/26
Filed: 1999-04-23
Abstract: (1) 블로킹된 폴리하이드록시스티렌 수지와 산성 촉매를 반응 용매 속에 포함하는 불순한 반응 용액을 형성하는 단계, (2) 아민, 물, 하나 이상의 탄화수소 용매 및 하나 이상의 포토레지스트 용매를 첨가하여 수상과 유기상을 형성하는 단계(여기서, 수상은 물과 아민/산성 촉매의 하나 이상의 염을 포함하고, 유기상은 반응 용매, 포토레지스트 용매, 탄화수소 용매 및 블로킹된 폴리하이드록시스티렌 수지를 포함한다), (3) 수상을 유기상으로부터 분리하는 단계 및 (4) 탄화수소 용매와 반응 용매를 유기상으로부터 제거하여 포토레지스트 용매 중에 블로킹된 폴리하이드록시스티렌 수지의 정제 용액을 형성하는 단계를 포함하는, 정제된 가교결합된 폴리하이드록시스티렌 수지의 제조방법.
Patent KR-20020059507-A (KR)
Title: Aromatic compositions comprising natural essential oil
Inventor: CHO JAE U
IPC: A61L9/013
Filed: 2001-01-08
Abstract: PURPOSE: An aromatic agent composition containing only natural essential oil capable of imparting an aroma therapeutic effect instead of a synthetic aromatic agent is provided which has an excellent effect on stabilizing and tranquillizing mind and body of a user. CONSTITUTION: This aromatic agent composition contains 1 to 15 parts by weight of a combined aromatic agent, 1 to 7 parts by weight of a solubilizing agent, 1 to 10 parts by weight of ethanol and 50 to 80 parts by weight of purified water, wherein the combined aromatic agent contains 10 to 35 parts by weight of lavender oil, 1 to 5 parts by weight of Anthemis Nobilis, 1 to 5 parts by weight of Pelargonium graveolens, 5 to 20 parts by weight of Citrus aurantium L., 0.5 to 5 parts by weight of Rosa centifolia, 1 to 10 parts by weight of Santalum album, 0.5 to 2 parts by weight of Cananga odorata succinate, 2 to 30 parts by weight of Citrus bergamia, 0.1 to 1 part by weight of Commiphora species and 0.1 to 1 part by weight of Salvia officinalis.
Patent KR-20020061067-A (KR)
Title: Highly efficient hybrid combustion system using hydrogen
Inventor: HWANG SEONG GIL
IPC: F23C1/00
Filed: 2001-01-12
Abstract: PURPOSE: A combined high-efficiency combustion system using hydrogen gas is provided to enhance the combustion efficiency by burning the hydrogen generated through electrolysis with a hydrocarbon fuel and to maximize the energy efficiency by electrically decomposing water. CONSTITUTION: A combined high-efficiency combustion system(10) using hydrogen gas comprises a combustion chamber(14), a hydrogen discharge unit(16) installed in the combustion chamber and having many hydrogen discharge holes(17) for discharging hydrogen, many fuel discharge units(18) installed around the hydrogen discharge unit and having many fuel discharge holes(19) for discharging a hydrocarbon fuel, many oxygen discharge units(20) installed in the combustion chamber and supporting the oxidization of the hydrogen and fuel discharged from the hydrogen discharge unit and the fuel discharge unit, and a glow plug(28) installed in the combustion chamber to ignite the hydrogen and fuel discharged through the hydrogen discharge units and the fuel discharge units.
Patent KR-20020061336-A (KR)
Inventor: KANG SEONG JAK
IPC: B23B39/06
Filed: 2001-01-16
Abstract: PURPOSE: A drill for a table is provided to easily adjust the work position of a workpiece by moving a magnet block, to reduce the processing time of the workpiece, and to easily process the workpiece. CONSTITUTION: A head(3) is formed on the upper end of a stay(2) to upward and downward move a drill(4). A lift(6) having a plate(7) is moved upward and downward along the stay by a handle(6-1). A magnet block(10) embedding a magnet coil is formed in the plate. A general vise(8) for gripping a workpiece is formed on the upper surface of the magnet block. An air injection recess is formed on the bottom surface of the magnet block. The air generated from an air compressor(18) is injected via an air hose to levitate the magnet block from the plate. The magnet coil and the air compressor are turned on/off by a pedal switch(20) connected to an electric cable via a control wire(19). While the magnet block is firmly fixed on the plate, the workpiece gripped in the vise is processed.
Patent KR-20010078284-A (KR)
Title: Improved Low Temperature Cooking Cereal-Based Products
Inventor: BEHRINGER MALUWA
IPC: A23L27/00
Filed: 2001-02-02
Abstract: PURPOSE: Provided cereal-based food products which are suitable for cooking at low temperature(generally approximately 120-212 deg.F) and high vapor pressure. CONSTITUTION: The manufacturing method of cereal-food products comprises the step of preparing cereal-based dough; blending flavor enhancing ingredients with the dough; and shaping the dough in a desired shape; adding skin enhancing ingredients to manufacture food products. Where, the flavor enhancing ingredient is a flavoring agent micro capsulated with hardened fat having a melting point of 100-180 deg.C and the skin enhancing ingredient contains potato flakes, hydrophobic starch, coloring agents and anti-caking agents.
Patent KR-20020065195-A (KR)
Title: Anti-carbon apparatus of exhaust-gas treatment system
Inventor: JUN GYEONG HO
IPC: B01D53/32
Filed: 2001-02-06
Abstract: PURPOSE: An apparatus for preventing soot deposition in post treatment system of exhaust gas is provided, which can completely remove harmful composition contained in exhaust gas by combustion and atomizing using plasma discharge. The equipment is simple in constitution so that it can improve productivity and adoptability. CONSTITUTION: The system comprises an exterior sealed housing(4), an insulator(10), a cathode bar(12). The insulator is inserted between the exterior sealed housing(4) and the cathode bar(12) for insulation, and plasma electrodes are connected to both of them. To the space formed between the exterior sealed housing(4) and the cathode bar(12), high pressure air is atomized by an air nozzle(22). To the cathode bar(12), an additional anion generating electrode(24) is installed.
Patent KR-20020066862-A (KR)
Title: Raw food material with high functionality containing chitosan and chitooligosaccharides originated from microorganisms and method for preparing same
Inventor: LEE KE HO
IPC: A23L11/20
Filed: 2001-02-14
Abstract: PURPOSE: Provided are a raw food material with high functionality containing chitosan and chitooligosaccharides originated from microorganisms and a method for preparing the same. The food material has preventing and treating effects on diseases, such as cancer, AIDS, hypertension, etc. CONSTITUTION: The manufacturing method comprises the steps of: inoculating Rhizopus sp. and Bacillus sp. strains respectively into legumes, cereals, or steamed cereals then culturing them; mixing a fermented material by Rhizopus sp. strain containing chitosan and a fermented material by Bacillus sp. strain containing endo type chitosanase; and reacting the mixture at 30-60 deg.C, pH 5.5-7.0 for 1-10 hours.
Patent KR-20010082701-A (KR)
Title: Slider for optical head, method for preparation thereof and recording and/or reproducing apparatus
Inventor: KATAKURA TORU
IPC: G11B7/135
Filed: 2001-02-16
Abstract: PURPOSE: To realize a structure that properly performs recording and/or repro duction of a signal for a recording medium even if the structure is miniaturized and that facilitates manufacturing. CONSTITUTION: The slider unit consists of a slider member that floats the travels on a recording medium at the time of recording and/or reproduction of a signal for the medium, an optical lens jointed to the slider member, and a magnetic field generating means provided on the side oppositely facing the recording medium of the slider member to which the optical lens is joined. The slider member is formed with a terminal groove that is open to the face opposing the recording medium and to the side face; and, a terminal is so formed that, by filling this terminal groove with a conductive material, it is electrically connected to the magnetic field generating means, with one end facing the outside of the slider member from its side face.
Patent KR-20020067305-A (KR)
Title: Grass Weight
Inventor: JO KYU AH
IPC: A01K95/00
Filed: 2001-02-16
Abstract: PURPOSE: A glass weight is provided to produce various kinds of safety and eco-friendly fishing weights by adjusting the shape and the size thereof according to various uses. CONSTITUTION: The glass weight capable of substituting a typical lead weight is obtained by preparing a glass material consisting of quartz sand, soda ash, niter, feldspar, and cullet; melting the glass material in a crucible furnace; and molding the molten glass material into a certain fishing weight form with a press. The shape of the glass weight is selected among a bead form, a bell form, a conical form, an elliptical form, and the like, and is colored with various colors.
Patent KR-20010067589-A (KR)
Title: wave perm device
Inventor: LEE SEUNG SOO
IPC: A45D2/00
Filed: 2001-02-19
Abstract: PURPOSE: A wave permanent device is provided, which makes it possible to take perm treatment conveniently in a short time. CONSTITUTION: A wave permanent device comprises the parts of: (i) a panel equipment that has a middle panel housing fixed on the upper part of a supporter(20), side panel housings(120) connected to the middle panel housing with hinges, and rear panel housings(130) connected with the rear part of the middle panel housing; (ii) a tensile power cable(200) that is connected with the distributing wires of the low parts of the middle panel housing, side panel housings(120), and rear panel housings(130); and (iii) a hanger equipment part(300) that has a hanger housing connected with the low part of the tensile power cable(200), a couple of hanger assistants installed on the both sides of the hanger housing with a hinge and equipped with a conductive assistant and a power terminal, and an elastic assistant installed between the hanger assistants.
Patent KR-20010088355-A (KR)
Title: Soild state electrolytic condenser
Inventor: FUKUYAMA SACHIKO
IPC: H01G9/15
Filed: 2001-02-23
Abstract: PURPOSE: A solid electrolytic capacitor is provided to prevent an expansion of a case or a sealing member due to a solder heat test and to suppress an increase in a leakage current in the solid electrolytic capacitor obtained, by impregnating a capacitor element having an anode member formed with a dielectric film with a conductive polymer as a cathode electrolyte, disposing and sealing the element in a sheathing member. CONSTITUTION: An outside of a capacitor element(11) impregnated with a conductive polymer is sequentially covered with a first resin layer and a second resin layer. In this case, as a material of the first layer, a material having higher flexibility than that of the second layer is used.
Patent KR-20020069724-A (KR)
Title: Management method for video data of digital video recording and reproducting apparatus
Inventor: KIM JUN SEON
IPC: G11B27/031
Filed: 2001-02-27
Abstract: PURPOSE: A maintenance method of image data of a digital image recording/reproducing device is provided to reproduce or delete a desired scene by searching the scene in a short time by using thumbnail images, thereby effectively using the disc memory and improving the convenience of use. CONSTITUTION: A maintenance method of image data of a digital image recording/reproducing device includes the steps of producing and storing thumbnail images representing respective scenes(S11), displaying the thumbnail images in preview mode when deleting or reproducing of a scene among the stored image data is desired(S13,S14), displaying menu for reproducing or deleting if a thumbnail image representing the desired scene is selected from the displayed thumbnail images(S15,S16), and reproducing or deleting the scene by searching the corresponding scene by the scene information included in the thumbnail images when the reproducing or deleting is selected from the menu(S17-S22).
Patent KR-20020071279-A (KR)
Title: Method and apparatus for communicating inter processors using utopia mapper in system applying inter processors
Inventor: KIM HAN SU
IPC: H04L12/50
Filed: 2001-03-06
Abstract: PURPOSE: An IPC(Inter Processor Communication) apparatus and method using a UTOPIA(Universal Test and Operations Physical Interface for ATM) mapper in a system using an IPC is provided to transmit and receive IPC cells using a UTOPIA mapping type without checking VCIs/VPIs(Virtual Channel Identifiers/Virtual Packet Identifiers) of headers of all inputted cells. CONSTITUTION: The second adjacent board matching unit(205) has a plurality of UTOPIA ports for interfacing only IPC cells, and interfaces cells with the first adjacent board matching unit(201). A control unit(207) performs a corresponding operation as to the IPC cell when inputting the IPC cell, inserts a UTOPIA address about the UTOPIA port for transmitting the IPC cell into the IPC cell, and outputs the IPC cell. A UTOPIA mapper(203) has UTOPIA addresses about the UTOPIA ports, outputs the IPC cell together with the UTOPIA address about the UTOPIA port to the control unit(207) when the IPC cell is inputted through the UTOPIA port, and outputs the IPC cell inputted from the control unit(207) to a control board(250) through the UTOPIA port corresponding to the UTOPIA address of the IPC cell.
Patent KR-20010094972-A (KR)
Title: Method for manufacturing the cavity body having large volume
Inventor: ADOLPH MATTHIAS
IPC: B21D26/041
Filed: 2001-03-14
Abstract: PURPOSE: A method of making hollow bodies, especially large hollow bodies such as not of a constant cross section and whereby drawbacks of earlier systems are avoided. CONSTITUTION: A large dimension hollow body such as a fuel tank is formed from cold deformable sheet metal by cutting a sheet metal blank of a conformation matching its ends. The sheet metal blank is then formed into a three-dimensional shape closed at one end and subjected to hydrostatic forming, whereupon the other end is closed. The welding of the edges of the blank together and the application of the caps can produce pressure-tight weld seams and can be effected by laser-beam welding or tungsten inert gas welding.
Patent KR-20020075129-A (KR)
Title: Display apparatus for driving condition of the car
Inventor: SHIN HEE SUB
IPC: B60Q1/50
Filed: 2001-03-23
Abstract: PURPOSE: A traveling state display apparatus of a vehicle is provided to prevent accidents by displaying character or image data on traveling state to the following vehicle, and to reduce expenses by outputting data with combining signals from turn signal lamps, an emergency lamp and a brake light. CONSTITUTION: A travel state display device(10) of a vehicle is composed of a control unit(11) receiving signals from turn signal lamps, an emergency lamp and a brake light, and outputting a control signal; a display driving unit(12) actuating a display unit(13) according to the output signal from the control unit; the display unit showing character data according to the travel state signal; and a memory unit(14) storing the character data from the display unit. Accidents are prevented by displaying the travel state to the following vehicle through the travel state display device in the rear part of the vehicle.
Patent KR-20020076829-A (KR)
Title: Virtual Reality based Medical Prevention and Treatment System using Internet
Inventor: JUNG HYEOK
Filed: 2001-03-30
Abstract: PURPOSE: A system for preventing/remedying a dementia based on a virtual reality using the Internet is provided to enable a dementia patient to receive a medical treatment by making the dementia patient receive a medical examination in a remote place and perform a dementia treating scenario on a virtual reality on the Internet. CONSTITUTION: If a patient connects to a web server, a dementia web page is supplied on a web browser of the patient(S211). Personal information of the patient written in a member joining process(S213), a patient detailed questions table, and a reserved time for a medical examination are stored in a member information DB(S214). Thus, an environment for a remote medical examination between a doctor and the patient and a prescription is supplied(S215). An environment capable of treating the patient is supplied in accordance with a scenario in a virtual reality prescribed by the doctor(S216). The result is stored in the member information DB, and the result is supplied to the doctor(S217). If a medical examination is received from the doctor again(S218), the above stages are repeated.
Patent KR-20020077693-A (KR)
Title: Rotation saw of wood shaving machine
Inventor: SONG HYUNG KEUN
IPC: B27B5/34
Filed: 2001-04-02
Abstract: PURPOSE: A rotary saw structure is provided to achieve wood having a required diameter through one processing step by using a conical rotary saw assembly, in which a plurality of rotary saws having different diameters is integrally assembled. CONSTITUTION: A rotary saw structure includes a frame having a length longer than a length of wood. A driving force generating section(11) is provided at an upper portion of the frame(10). The driving force generating section(11) has a main shaft for rotating wood(50). A center adjusting member(20) is provided at the other side of the frame(10) so as to securely maintain wood(50). The center adjusting member(20) has a center shaft(21) inserted into a center of wood(50). A wood length adjusting handle(22) is provided to adjust an axial distance of the center shaft(21). A center adjusting handle(23) is provided to eccentrically move wood(50).
Patent KR-20020078823-A (KR)
Title: a manufacturing method of the multicolored noodles
Inventor: KIM BONG YEON
IPC: A23L7/109
Filed: 2001-04-10
Abstract: PURPOSE: Provided is a manufacturing method of multicolored noodles by using vegetable juice, thereby improving the texture of noodles, giving chewy taste and various colors to them. CONSTITUTION: The manufacturing method of multicolored noodles is characterized by mixing 60-75 wt.% of wheat flour, 0.1-1 wt.% of vegetable oil and 25-40 wt.%of various coloring extracts, wherein the coloring extracts are composed of a red-ripe persimmon extract giving yellow color, a cabbage extract giving green color, a red cabbage extract giving red color and a beet root extract giving violet color.
Patent KR-20020081008-A (KR)
Inventor: CHAE JONG SUCK
IPC: A01K63/00
Filed: 2001-04-18
Abstract: PURPOSE: Provided is a frame-typed dome fish bowl which is placed as a frame type like the frame on the wall in a convenient way so that it helps to reduce space and size of the fish bowl. CONSTITUTION: The frame-typed dome fish bowl is produced by comprising the steps of: (i) using glass sheet, wood sheet or other sheets to process a rear side; (ii) decorating the internal side of the fish bowl and making a hole at acryl-made dome for changing water; (iii) using silicone to attach the rear side, decorating finally and waiting for 3 days to dry silicone completely; and (iv) filling gravels and adding water and fish to complete the dome fish bowl.
Patent KR-20020087328-A (KR)
Title: The fabrication of mandrel for electroforming
Inventor: CHO SOO JE
IPC: G03F9/00
Filed: 2001-05-15
Abstract: PURPOSE: A method for preparing a mandrel for the preparation of electroforming structure is provided, to reduce the processing steps and to allow a cylindrical electroforming mandrel to be made easily. CONSTITUTION: The method comprises step of irradiating laser on the plate or cylinder made of metal to oxidize the irradiated part partially, thereby forming the insulation pattern on the metal. Preferably the metal is stainless steel or chromium. The laser is irradiated in atmosphere or in an aqueous solution. Preferably the method comprises the step of irradiating the laser with flowing the metal compound of gas state on the plate or cylinder made of metal, thereby evaporation-depositing the oxides on the irradiated part partially to from the insulation pattern.
Patent KR-20020090006-A (KR)
Title: Heat exchanger of Alumimun
Inventor: HWANG YUN JE
IPC: F28F9/00
Filed: 2001-05-25
Abstract: PURPOSE: An aluminum heat exchanger is provided to improve productivity. CONSTITUTION: A heat exchanger includes unit modules(20) comprising a plurality of left and right header units(22) joined in longitudinal direction to form a left header pipe and a right header tank and refrigerant tubes(24) having both ends fluidically connected with the left and right header units, respectively; heat transfer fins(14) interposed between the refrigerant tubes of the unit modules joined to each other; and a plurality of separators(16) inserted to the certain header units to cut off inside spaces of the header pipes to make refrigerant flow to the refrigerant tubes.
Patent KR-20010109126-A (KR)
Title: 액압 조작 장치
IPC: F15B15/20
Filed: 2001-05-28
Abstract: 용이하게 동작시간을 조정할 수 있는 구조가 간단하여 안정된 동작이 가능하고, 또한 신뢰성이 높은 액압 조작 장치를 제공한다. 
     주조작 밸브부와 조작 밸브를 출력제어하는 파일롯 밸브부를 구비한 액압 조작 장치에 있어서, 주조작 밸브부는 원통상의 케이스의 내주면과 접동하고, 시트부와 개리(開離)·맞닿음으로써, 구동부의 작동 유체의 배출여부를 선택하는 배액 밸브와, 시트부와는 반대측의 내주면을 접동하여, 시트부와 개리·맞닿음으로써 구동부로의 작동 유체의 공급 여부를 선택하는 급액 밸브를 설치하고 있기 때문에, 종래와 같은 주조작 밸브부의 케이스의 동일축 상에 2개의 시트를 설치하는 등의 어려운 가공을 실시할 필요가 없어져, 제작에 걸리는 시간을 단축할 수 있다.